Efficient water rotation pretreatment device for spraying waste gas

Abstract

An efficient water rotation pretreatment device for spraying waste gas comprises a bottom plate, a supporting frame is fixedly connected to the bottom plate, a treatment barrel is arranged on the supporting frame, an air inlet I is formed in the side face of the treatment barrel, one end of a sewer pipe is arranged on the treatment barrel, a containing frame is arranged on the bottom plate, and the containing frame is communicated with the other end of the sewer pipe. A plurality of filter plates are arranged in the placing frame, and handles are arranged on the filter plates. Through the arrangement of the spray pipe and the water cyclone device, when paint spraying waste gas enters the treatment barrel, the spray pipe is used for spraying to generate a flowing atomized water curtain to absorb paint mist, part of paint slag and other particles, and then the water cyclone device is used for separating the particles such as residual paint slag from gas, so that the paint slag and gas separation effect is ensured, and the purification treatment effect is improved.

Description

Technical Field

[0001] The utility model relates to waste gas treatment equipment, in particular to a high-efficiency water cyclone pretreatment device for spraying waste gas. Background Art

[0002] Spraying waste gas is the gas produced in the painting process of automobile production. Spraying waste gas includes paint residue, paint mist and volatile organic compounds. Among them, volatile organic compounds and paint mist will cause direct harm to the human body and the environment. Therefore, spraying waste gas needs to be purified when it is discharged.

[0003] At present, a water curtain purification method is commonly used for spraying waste gas treatment. A flowing curtain-like water layer is generated by circulating spraying with a water pump to capture scattered paint mist and particulate matter. However, the method has a large water consumption and the separation effect of paint residue and gas is not ideal. The paint residue is not completely removed and the purification treatment effect is poor.

[0004] Therefore, it is urgent to provide a high-efficiency water cyclone pretreatment device for spraying waste gas that can effectively separate paint residue and gas to solve the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the current method of using a water curtain to purify spray exhaust gas, which has large water consumption and unsatisfactory separation of paint mist, paint residue and gas, incomplete removal of paint residue and poor purification effect, the utility model provides a high-efficiency water cyclone pretreatment device for spray exhaust gas which can effectively separate paint residue and gas.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions: a high-efficiency water cyclone pretreatment device for spraying waste gas, including a bottom plate, a support frame is fixedly connected to the bottom plate, a treatment barrel is arranged on the support frame, an air inlet I is arranged on the side of the treatment barrel, one end of a downpipe is arranged on the treatment barrel, a placement frame is arranged on the bottom plate, the placement frame is connected to the other end of the downpipe, a plurality of filter plates are arranged in the placement frame, the filter plates are used to remove paint residues and other particulate matter in the water, a handle is arranged on the filter plate, and a One end of the transmission pipe, and the other end of the transmission pipe is connected to the placement frame, the transmission pipe is used to input the water inside the placement frame into the treatment barrel, the side of the treatment barrel is provided with an air outlet, the air outlet is installed with a suction fan, the suction fan is installed with an air purifier, the air purifier is used to purify the spraying exhaust gas, the end of the transmission pipe is provided with a support ring, the support ring is located inside the treatment barrel, the support ring is provided with a plurality of water cyclones, the plurality of water cyclones are provided with an air inlet II in common, and the support ring is provided with a plurality of nozzles.

[0007] As an optimal technical solution of the utility model, the inner side walls of the placement frame are respectively provided with a screw rod I and a fixing rod, a salvage net is threadedly provided on the screw rod I, and the fixing rod is used to guide the salvage net, and the salvage net is used to scoop up paint residue and other particulate matter remaining in the water.

[0008] As a preferred technical solution of the utility model, a slide rail is provided on the placement frame, a motor is provided on the slide rail, a screw rod II is rotatably provided in the slide rail, the screw rod II is connected to the output shaft of the motor, a slider is threadedly provided on the screw rod II, a scraper is provided on one side of the slider close to the placement frame, and the scraper is used to clean the paint residue and other particulate matter on the salvage net.

[0009] As a preferred technical solution of the utility model, a support shell is arranged outside the motor.

[0010] As a preferred technical solution of the utility model, a collecting frame is provided on a side of the placement frame close to the motor.

[0011] As a preferred technical solution of the present utility model, the outer cover of the handle is provided with a rubber cover.

[0012] Compared with the prior art, the utility model has the following technical effects: 1. Through the setting of the nozzle and the water cyclone, when the paint spray exhaust gas enters the treatment barrel, the nozzle spray is first used to generate a flowing atomized water curtain to absorb the paint mist and part of the paint residue and other particulate matter, and then the residual paint residue and other particulate matter are separated from the gas through the water cyclone, thereby ensuring the separation effect of the paint residue and the gas and improving the purification treatment effect.

[0013] 2. Through the coordinated arrangement of the screw rod Ⅰ and the salvage net, the screw rod Ⅰ can be rotated to move the salvage net upward to fish out the paint residue and other particles remaining in the water and place them in the frame for cleaning.

[0014] 3. The motor drives the slider to move, so that the scraper can scrape off the paint residue on the surface of the salvage net, realizing automatic cleaning, saving time and effort, and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the first three-dimensional structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the second three-dimensional structure of the utility model.

[0017] Figure 3 It is a partial cross-sectional view of the utility model.

[0018] Figure 4 It is a three-dimensional structural cross-sectional view of the transmission pipe, nozzle, water cyclone and other parts of the utility model.

[0019] Figure 5 It is a partial three-dimensional structural schematic diagram of the utility model.

[0020] Figure 6 It is a three-dimensional structural cross-sectional view of the components such as the salvage net, screw rod I and fixing rod of the utility model.

[0021] Figure 7 It is a three-dimensional structural schematic diagram of components such as the slide rail, support shell and motor of the utility model.

[0022] Wherein: 1-bottom plate, 2-support frame, 3-treatment barrel, 4-air inlet Ⅰ, 5-down pipe, 6-placing frame, 7-filter plate, 8-handle, 9-transmission pipe, 10-air outlet, 11-suction fan, 12-air purifier, 13-support ring, 14-water cyclone, 15-air inlet Ⅱ, 16-nozzle, 17-fishing net, 18-screw Ⅰ, 19-fixing rod, 20-slide rail, 21-support shell, 22-motor, 23-screw Ⅱ, 24-slider, 25-scraper, 26-collection frame, 27-rubber sleeve. DETAILED DESCRIPTION

[0023] First of all, it should be pointed out that in the different described embodiments, the same parts are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to the same parts with the same reference numerals or the same component names. Selected positional descriptions in the description, such as top, bottom, lateral, etc., also refer to the directly described and shown figures and are transferred to the new positions in the case of a change in position.

[0024] Example 1

[0025] See also Figure 1-Figure 4A high-efficiency water cyclone pretreatment device for spraying waste gas, comprising a bottom plate 1, a support frame 2 is fixedly connected to the top right side of the bottom plate 1 by welding, a treatment barrel 3 is arranged in the middle of the support frame 2, an air inlet Ⅰ4 is arranged at the lower part of the right side of the treatment barrel 3, one end of a downpipe 5 is arranged at the bottom of the treatment barrel 3, a placement frame 6 is arranged on the top left side of the bottom plate 1, the placement frame 6 is connected with the other end of the downpipe 5, two vertically arranged filter plates 7 are arranged in the placement frame 6, the filter plates 7 are used to remove paint residues and other particulate matter in the water, a handle 8 is arranged on the top of the filter plate 7, a rubber sleeve 27 is arranged on the outside of the handle 8, and the rubber sleeve 27 has an anti-slip effect when holding the handle 8, and a transmission pipe 9 is connected to the top of the treatment barrel 3. end, and the other end of the transmission pipe 9 is connected to the placement frame 6, the transmission pipe 9 is used to input the water inside the placement frame 6 into the treatment barrel 3, the upper part of the rear side of the treatment barrel 3 is provided with an air outlet 10, the air outlet 10 is installed with a suction fan 11, the suction fan 11 is installed with an air purifier 12, the air purifier 12 is used to purify the spraying exhaust gas, the end of the transmission pipe 9 is provided with a support ring 13, the support ring 13 is located inside the treatment barrel 3, the support ring 13 is provided with three water cyclones 14 evenly distributed along the circumferential direction, the water cyclone 14 is used to separate gas and particulate matter, the three water cyclones 14 are provided with an air inlet II 15 in common, and the support ring 13 is provided with three nozzles 16 evenly distributed along the circumferential direction.

[0026] The spraying waste gas enters the treatment barrel 3 from the air inlet Ⅰ4, the nozzle 16 is opened, and the spraying begins to produce a flowing atomized water curtain. The incoming paint waste gas collides with the water curtain, and the mist particles and part of the paint residue and other particulate matter are trapped in the water. Then the paint waste gas rises and enters the water cyclone 14 from the air inlet Ⅱ15. Under the centrifugal action, the remaining paint residue and particulate matter are separated and captured by water, and the treated gas is discharged from the upper end of the water cyclone 14 and is drawn into the air purifier 12 by the suction fan 11 for purification and discharge. The water that absorbs the paint residue and paint mist gathers at the bottom of the treatment barrel 3 and is discharged into the placement frame 6 through the downpipe 5, and is filtered by the filter plate 7 to remove paint residue and other particulate matter, and then is drawn back into the treatment barrel 3 through the transmission pipe 9 for recycling.

[0027] Example 2

[0028] Based on Example 1, please refer to Figure 5 and Figure 6 The front and rear side walls of the placement frame 6 are respectively provided with a screw rod Ⅰ18 and a fixing rod 19, a salvage net 17 is threadedly provided on the screw rod Ⅰ18, and the fixing rod 19 is used to guide the salvage net 17; by rotating the screw rod Ⅰ18, the salvage net 17 can be moved up, and the particles such as paint residues remaining in the water can be fished out of the placement frame 6 for cleaning.

[0029] See also Figure 7 A slide rail 20 is provided on the top of the placement frame 6, a motor 22 is provided on the right side of the slide rail 20, a support shell 21 is provided outside the motor 22, and the support shell 21 is used to protect the motor 22. A screw rod II 23 is rotatably provided in the slide rail 20, and the screw rod II 23 is connected to the output shaft of the motor 22. A slider 24 is threadedly provided on the screw rod II 23, and a scraper 25 is provided on the side of the slider 24 close to the placement frame 6, and a collection frame 26 is provided on the side of the placement frame 6 close to the motor 22; after the salvage net 17 is moved out of the placement frame 6, the motor 22 is started, and the motor 22 drives the slider 24 to move so that the scraper 25 scrapes the paint residue on the surface of the salvage net 17 into the collection frame 26, so as to realize automatic cleaning, save time and labor, and be convenient to use.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-efficiency water cyclone pretreatment device for spraying waste gas, comprising a bottom plate (1), a support frame (2) fixedly connected to the bottom plate (1), a treatment barrel (3) arranged on the support frame (2), an air inlet I (4) arranged on the side of the treatment barrel (3), one end of a downpipe (5) arranged on the treatment barrel (3), a placement frame (6) arranged on the bottom plate (1), the placement frame (6) being connected to the other end of the downpipe (5), a plurality of filter plates (7) arranged in the placement frame (6), the filter plates (7) being used to remove paint residue and other particulate matter in water , a handle (8) is provided on the filter plate (7), one end of a transmission pipe (9) is connected to the processing barrel (3), and the other end of the transmission pipe (9) is connected to the placement frame (6), the transmission pipe (9) is used to input the water inside the placement frame (6) into the processing barrel (3), the side of the processing barrel (3) is provided with an air outlet (10), the air outlet (10) is installed with a suction fan (11), the suction fan (11) is installed with an air purifier (12), the air purifier (12) is used to purify the spraying waste gas, characterized in that, The end of the transmission pipe (9) is provided with a support ring (13), the support ring (13) is located inside the processing barrel (3), a plurality of water cyclones (14) are provided on the support ring (13), a plurality of the water cyclones (14) are provided with a common air inlet II (15), and a plurality of nozzles (16) are provided on the support ring (13).

2. A high-efficiency water cyclone pretreatment device for spraying waste gas according to claim 1, characterized in that: The inner side walls of the placement frame (6) are respectively provided with a screw rod I (18) and a fixing rod (19), a salvage net (17) is threadedly provided on the screw rod I (18), and the fixing rod (19) is used to guide the salvage net (17), and the salvage net (17) is used to salvage paint residues and other particles remaining in the water.

3. A high-efficiency water cyclone pretreatment device for spraying waste gas according to claim 2, characterized in that: The placement frame (6) is provided with a slide rail (20), a motor (22) is provided on the slide rail (20), a screw rod II (23) is rotatably provided inside the slide rail (20), the screw rod II (23) is connected to the output shaft of the motor (22), a slider (24) is threadedly provided on the screw rod II (23), a scraper (25) is provided on a side of the slider (24) close to the placement frame (6), and the scraper (25) is used to clean paint residues and other particles on the salvage net (17).

4. The high-efficiency water cyclone pretreatment device for spraying waste gas according to claim 3 is characterized in that: A supporting shell (21) is arranged outside the motor (22).

5. The high-efficiency water cyclone pretreatment device for spraying waste gas according to claim 3 is characterized in that: A collecting frame (26) is provided on one side of the placement frame (6) close to the motor (22).

6. The high-efficiency water cyclone pretreatment device for spraying waste gas according to claim 1 is characterized in that: The handle (8) is externally covered with a rubber sleeve (27).

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